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Email: cncengineer@minnuo.com
φ3000mm Max Swing · φ2500mm Max Swing Over Tool · 3T Max Weight · 750mm Max Length
The TK6920A is a high-capacity CNC floor boring and milling machine, designed for large-scale turning, facing, and grooving applications. Built with a rigid three-support spindle, this model delivers excellent vibration resistance and cutting stability during both rough and finish machining.
TK Series
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Why Choose Our CNC Solutions
Key Features
- ● Wide swing diameter support up to 3000mm for oversized parts
- ● Three-point spindle support for high rigidity and precision during deep cuts
- ● Suitable for both roughing and precision finishing operations
- ● Forced lubrication system reduces thermal wear and improves service life
- ● Efficient chip evacuation design improves workflow and reduces downtime
- ● CNC programmable for complex paths and multi-surface operations
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Recommended Configurations
- ● Auto tool turret: Enables quick change between roughing and finishing tools.
- ● Hydraulic steady rest: Stabilizes long or heavy cylindrical parts during cutting.
- ● Programmable tailstock: Provides additional support for shaft-type components.
- ● High-torque spindle motor: Delivers constant power at low speeds for heavy cuts.
- ● Heavy-duty chip conveyor: Optimizes chip flow and machine cleanliness.
- ● Operator protection enclosure: Ensures safety during large-part operation.
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Application Case
- ● Client: Wind Turbine Hub Manufacturer – Spain.
- ● Use Case: Boring and facing large-diameter cast steel hubs for wind turbine rotors.
- ● Setup: TK6920A equipped with hydraulic tailstock, chip conveyor, and enhanced coolant system.
- ● Results: Dimensional tolerance: ±0.02 mm across 2.4 m diameter, operation time: 12+ hours continuous machining per setup, tool change efficiency improved by 40%, client feedback: “We needed a machine that could handle big, heavy castings with repeatable precision — the TK6920A exceeded expectations in both speed and finish.”
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Product Specifications
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